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In 2007, Barrera endorsed [[Francisco Canseco]], a former Laredoan who sought the Republican nomination to challenge 23rd District Democratic [[U.S. Representative]] [[Ciro Rodriguez]] of San Antonio. Canseco lost the primary in 2008 to [[Lyle Larson]], who was then defeated by the incumbent Rodriguez. In 2010, however, Canseco won the Republican nomination and then narrowly unseated Rodriguez in the general election. He served only one term until his own defeat in 2012 at the hands of Democrat Pete Gallego. In 2018, Canseco fared poorly in another congressional campaign in District 21 against [[Chip Roy]].

In 2007, Barrera endorsed [[Francisco Canseco]], a former Laredoan who sought the Republican nomination to challenge 23rd District Democratic [[U.S. Representative]] [[Ciro Rodriguez]] of San Antonio. Canseco lost the primary in 2008 to [[Lyle Larson]], who was then defeated by the incumbent Rodriguez. In 2010, however, Canseco won the Republican nomination and then narrowly unseated Rodriguez in the general election. He served only one term until his own defeat in 2012 at the hands of Democrat Pete Gallego. In 2018, Canseco fared poorly in another congressional campaign in District 21 against [[Chip Roy]].

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